wait stall on core2 for win I420ToARGB

2753536587 / libyuv

Automatically exported from code.google.com/p/libyuv

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Closed GoogleCodeExporter closed 9 years ago

GoogleCodeExporter commented 9 years ago

A register updated followed by a store of that register is a 'wait' on Core2.
Move another instruction before the store, such as sub ecx,16

Original issue reported on code.google.com by fbarch...@google.com on 26 Sep 2012 at 5:04

GoogleCodeExporter commented 9 years ago

r377 fixes this on Windows.  Was already fixed on GCC versions.

Original comment by fbarch...@google.com on 26 Sep 2012 at 5:05